| 17:05 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1013 mb (29.91 in) | NE 30 kph (NE 18.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 082305Z 05016G26KT 2SM -SN BR OVC007 M02/M03 A2990 RMK AO2 PK WND 04026/2257 CIG 005V011 P0000 |
| 16:53 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1013 mb (29.91 in) | NE 37 kph (NE 23 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KGRB 082253Z 04020G26KT 1 3/4SM -SN BR OVC007 M02/M03 A2990 RMK AO2 PK WND 05026/2247 SLP136 P0001 T10171028 |
| 16:33 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1013 mb (29.91 in) | NE 37 kph (NE 23 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KGRB 082233Z 05020G26KT 2 1/2SM -SN BR OVC007 M02/M03 A2991 RMK AO2 PK WND 04026/2232 CIG 005V010 PRESFR P0001 |
| 16:00 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1014 mb (29.94 in) | NE 32 kph (NE 19.6 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGRB 082200Z 04017KT 1 1/2SM -SN BR BKN007 OVC014 M02/M03 A2994 RMK AO2 CIG 006V010 P0000 |
| 15:53 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1014 mb (29.94 in) | NE 35 kph (NE 21.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 082153Z 05019KT 2SM -SN BR BKN007 OVC014 M02/M03 A2995 RMK AO2 SLP152 P0000 T10171033 |
| 15:47 CST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1014 mb (29.94 in) | NE 35 kph (NE 21.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 082147Z 04019KT 2SM -SN BR BKN009 OVC014 M02/M03 A2995 RMK AO2 P0000 |
| 15:21 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1015 mb (29.97 in) | NE 33 kph (NE 20.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 082121Z 04018KT 2SM -SN BR FEW009 SCT018 OVC024 M02/M04 A2997 RMK AO2 P0000 |
| 15:14 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1015 mb (29.97 in) | NE 30 kph (NE 18.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGRB 082114Z 04016KT 3SM -SN BR FEW009 BKN024 OVC034 M02/M04 A2997 RMK AO2 P0000 |
| 15:01 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1015 mb (29.97 in) | NE 32 kph (NE 19.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 082101Z 04017KT 2SM -SN BR FEW010 BKN028 OVC034 M02/M04 A2998 RMK AO2 P0000 |
| 14:53 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1016 mb (30 in) | NE 32 kph (NE 19.6 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 082053Z 04017G22KT 1 3/4SM -SN BR FEW012 BKN019 OVC033 M02/M04 A2999 RMK AO2 SLP167 P0000 60000 T10221039 56042 |
| 14:22 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1016 mb (30 in) | NE 28 kph (NE 17.3 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 082022Z AUTO 04015KT 1 3/4SM -SN BR FEW012 OVC021 M02/M04 A3000 RMK AO2 P0000 TSNO |
| 13:53 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1017 mb (30.03 in) | NE 28 kph (NE 17.3 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGRB 081953Z 04015G21KT 7SM -SN FEW010 BKN023 OVC034 M02/M04 A3003 RMK AO2 SLP179 P0000 T10221044 |
| 13:34 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1017 mb (30.03 in) | NE 33 kph (NE 20.7 mph) | 0.00 mm (0.00 in) | 6SM |
| | KGRB 081934Z 04018KT 6SM -SN BR SCT010 BKN019 OVC034 M02/M04 A3004 RMK AO2 P0000 |
| 12:53 CST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | NE 22 kph (NE 13.8 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGRB 081853Z 04012KT 5SM -SN BR BKN010 OVC016 M03/M04 A3006 RMK AO2 SLP193 P0000 T10281044 |
| 12:46 CST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1018 mb (30.06 in) | NE 17 kph (NE 10.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGRB 081846Z 03009KT 4SM -SN BR BKN010 OVC018 M03/M04 A3007 RMK AO2 P0000 |
| 12:36 CST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1019 mb (30.09 in) | NE 24 kph (NE 15 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 081836Z 04013KT 2SM -SN BR SCT008 BKN013 OVC018 M03/M04 A3008 RMK AO2 P0000 |
| 11:53 CST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1020 mb (30.12 in) | NE 20 kph (NE 12.7 mph) | 0.25 mm (0.01 in) | 1SM |
| | KGRB 081753Z 04011KT 1SM -SN BR BKN008 OVC014 M03/M04 A3012 RMK AO2 SLP210 P0001 60003 T10281044 11028 21061 58034 RVRNO |
| 10:53 CST |  Obscured Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1022 mb (30.18 in) | NNE 9 kph (NNE 5.8 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KGRB 081653Z 02005KT 3/4SM -SN BR VV006 M03/M05 A3017 RMK AO2 SLP230 P0001 T10331050 RVRNO |
| 10:25 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGRB 081625Z 04005KT 3/4SM -SN BR BKN008 OVC019 M04/M06 A3020 RMK AO2 P0000 RVRNO |
| 10:00 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 081600Z 04006KT 1 3/4SM -SN BR BKN010 BKN019 OVC030 M04/M06 A3021 RMK AO2 P0000 |
| 09:53 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 13 kph (NE 8.1 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KGRB 081553Z 03007KT 1 1/4SM -SN BR BKN008 OVC030 M04/M06 A3021 RMK AO2 SLP244 P0001 T10441061 |
| 09:50 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 1SM |
| | KGRB 081550Z 03007KT 1SM -SN BR BKN008 OVC030 M04/M06 A3022 RMK AO2 P0000 RVRNO |
| 09:40 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 081540Z 04005KT 1 3/4SM -SN BR BKN010 BKN019 OVC030 M04/M06 A3022 RMK AO2 P0000 |
| 09:38 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 081538Z 03006KT 2SM -SN BR SCT010 BKN019 OVC030 M04/M06 A3022 RMK AO2 P0000 |
| 09:28 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGRB 081528Z 04005KT 1 1/2SM -SN BR BKN010 BKN019 OVC030 M04/M06 A3022 RMK AO2 P0000 |
| 09:15 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 081515Z 02007KT 2SM -SN BR BKN010 BKN019 OVC030 M04/M07 A3023 RMK AO2 P0000 |
| 09:08 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGRB 081508Z 03005KT 1 1/2SM -SN BR BKN008 BKN019 OVC030 M04/M07 A3023 RMK AO2 P0000 |
| 08:53 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1024 mb (30.24 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGRB 081453Z 02007KT 1 1/2SM -SN BKN010 OVC019 M04/M07 A3023 RMK AO2 SNB22 SLP248 P0000 60000 T10441072 56009 |
| 08:31 CST |  Overcast Light Snow | -4°C / 25°F | -8°C / 18°F | 74% | 1024 mb (30.24 in) | NNE 9 kph (NNE 5.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 081431Z 02005KT 1 3/4SM -SN OVC010 M04/M08 A3023 RMK AO2 SNB22 P0000 |
| 08:25 CST |  Overcast Light Snow | -4°C / 25°F | -8°C / 18°F | 74% | 1024 mb (30.24 in) | NNE 9 kph (NNE 5.8 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGRB 081425Z 02005KT 5SM -SN FEW019 BKN025 OVC032 M04/M08 A3023 RMK AO2 SNB22 P0000 |
| 07:53 CST |  Overcast | -5°C / 23°F | -9°C / 16°F | 74% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGRB 081353Z 36005KT 10SM OVC048 M05/M09 A3023 RMK AO2 SLP250 T10501089 |
| 06:53 CST |  Mostly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGRB 081253Z 04003KT 10SM BKN080 M06/M09 A3024 RMK AO2 SLP253 T10561089 |
| 05:53 CST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1025 mb (30.27 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGRB 081153Z 01004KT 10SM CLR M06/M09 A3026 RMK AO2 SLP258 T10611094 11056 21083 55007 |
| 04:53 CST |  Partly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGRB 081053Z AUTO 01004KT 10SM FEW100 M06/M09 A3025 RMK AO2 SLP257 T10611094 |
| 03:53 CST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGRB 080953Z AUTO 00000KT 10SM CLR M07/M09 A3026 RMK AO2 SLP260 T10671094 |
| 02:53 CST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1025 mb (30.27 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGRB 080853Z AUTO 34003KT 10SM CLR M07/M09 A3028 RMK AO2 SLP264 T10671094 53001 |
| 01:53 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1025 mb (30.27 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGRB 080753Z AUTO 01004KT 10SM CLR M08/M11 A3027 RMK AO2 SLP263 T10781111 |
| 00:53 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1025 mb (30.27 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KGRB 080653Z AUTO 33004KT 10SM CLR M08/M11 A3027 RMK AO2 SLP262 T10781106 |